In this week’s air travel news, three U.S. senators are demanding that Delta Air Lines answer some pointed questions about its expanding use of artificial intelligence in setting airfares; Southwest outlines the rules for its new assigned seating system,

Earlier this month, Delta Air Lines President Glen William Hauenstein confirmed that the airline planned to expand its use of AI in setting fares, telling reporters that about 3 percent of the airline's domestic ticket prices are already set using AI, and that the company hopes to expand that to 20 percent by the end of 2025.

A partnership between an AI pricing company and Delta Air Lines has three Democratic senators raising concerns.